85328340 has 48 divisors (see below), whose sum is σ = 244483008. Its totient is φ = 22224384.

The previous prime is 85328329. The next prime is 85328351. The reversal of 85328340 is 4382358.

85328340 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (85328329) and next prime (85328351).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

85328340 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13957 + ... + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (5093396).

Almost surely, 2^85328340 is an apocalyptic number.

It is an amenable number.

85328340 is an abundant number, since it is smaller than the sum of its proper divisors (159154668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85328340 is a wasteful number, since it uses less digits than its factorization.

85328340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33128 (or 33126 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 85328340 is about 9237.3340309853. The cubic root of 85328340 is about 440.2483790479.

The spelling of 85328340 in words is "eighty-five million, three hundred twenty-eight thousand, three hundred forty".